/* Copyright  2009
   @Author
   Richard Changde Yin            e-mail yinchangde@hotmail.com

   This program is free software; you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
   the Free Software Foundation; version 2 of the License.

   This program is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   GNU General Public License for more details.

   You should have received a copy of the GNU General Public License
   along with this program; if not, write to the Free Software
   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA */
   
/**
 * @filename:  function/char_length.cc
 */ 
#include <server_includes.h>
#include CSTDINT_H
#include <function/char_length.h>

int64_t Item_func_char_length::val_int()
{
  assert(fixed == 1);
  String *res=args[0]->val_str(&value);
  
  if (!res)
  {
    null_value=1;   /*It is NULL value*/
    return 0;       /* purecov: inspected */
  }
  null_value=0;     /*Set the NULL value flag to false.*/
  return (int64_t) res->numchars();
}

